The publication emphasizes the key facts of building and brand management from the perspective of contemporary marketing theory, from the perspective of selected entities of economic reality and from the perspective of the Czech customers. It analyzes the management processes and strategic decision of building and managing the portfolio of brands, its synergies and multiplier effects, and specifies the key factors influencing the increasing the value of brands in relation to influencing the attitudes and preferences of consumers to branded products. The publication provides a general applicable principles of building and management of brand in the current market conditions, maps the current attitudes of Czech customers to brands, their importance and influence on their purchasing behavior, which also confronts with the behavior of Slovak consumers.